Check And Tighten Track Shoe Bolts - Komatsu PC45MR-3 Operation And Maintenance Manual

MAINTENANCE

CHECK AND TIGHTEN TRACK SHOE BOLTS

(Machine equipped with steel shoe)
If the machine is used with track shoe bolts (1) loose, they will break, so tighten any loose bolts immediately.
Steel Track Shoe Bolts - Check/Tighten
1. First tighten to a tightening torque of 137 ± 19.6 Nm (14 ± 2
kgm , 101.3 ± 14.5 lbft) then check that the nut and shoe are in
close contact with the link contact surface.
2. After checking, tighten a further 90° ± 10°.
Order for Tightening
Tighten the bolts in the order shown in the diagram on the right.
After tightening, check that the nut and shoe are in close contact
with the link mating surface.
MAINTENANCE PROCEDURE
4 - 31